define & impl traits instead of wrapping types

bump version to 0.3.0

1 files changed, 4 insertions, 4 deletions

diff --git a/src/signed.rs b/src/signed.rs
index 9f0d184..4da6760 100644
--- a/src/signed.rs
+++ b/src/signed.rs
@@ -1,7 +1,3 @@
-// This code was adapted from the cookie crate which does not make the sign and verify functions public
-// forcing the use of CookieJars, which are akward to work with without a high-level framework.
-// Thanks to Sergio Benitez for writing the original code and releasing it under MIT!
-
 use hmac::{Hmac,NewMac,Mac};
 use sha2::Sha256;
 
@@ -9,6 +5,10 @@ const SIGNED_KEY_LEN: usize = 32;
 const BASE64_DIGEST_LEN: usize = 44;
 
 /// A convenience wrapper around HMAC.
+///
+/// This code was adapted from the [`cookie`] crate which does not make the sign and verify functions public
+/// forcing the use of [`CookieJar`](cookie::CookieJar)s, which are akward to work with without a high-level framework.
+// Thanks to Sergio Benitez for writing the original code and releasing it under MIT!
 pub struct Key (pub [u8; SIGNED_KEY_LEN]);
 
 impl Key {